gday dave welcome and enjoy the site
dont know bugger all about double rifles but theres plenty of blokes on here that do so youll havee plenty of advice comming your way soon .
the guys on here will help any way they can on any thing yoiu want to know about hunting and firearms
where abouts in aus are you from mate?:welcome:

THE HUNTER; The person that pays over 90% of the cost for the presavation and maintance of wildlife and gets zero credit for it ................